This update contains work to prepare for the librsvg2 2.59.0 update:

• Update the nalgebra crate to version 0.33.0.
• Update the simba crate to version 0.9.0.
• Update the cool_asserts crate to version 2.0.3.
• Update the yeslogic-fontconfig-sys crate to version 6.0.0.
• Add a compat package for version 4 of the yeslogic-fontconfig-sys crate.

These also required some adaptations in other packages:

• Ported the librsvg crate to markup5ever 0.14, xml5ever v0.20, and nalgebra v0.33.
• Ported librsvg2 to markup5ever 0.14, xml5ever v0.20, and nalgebra v0.33.
• Ported the nom-supreme crate to cool_asserts v2.
• Ported the statrs crate to nalgebra v0.33.